add some NEON 32bpp blitters
[sdl_omap.git] / src / video / Xext / extensions / extutil.h
CommitLineData
e14743d1 1/*
2 * $Xorg: extutil.h,v 1.4 2001/02/09 02:03:24 xorgcvs Exp $
3 *
4Copyright 1989, 1998 The Open Group
5
6Permission to use, copy, modify, distribute, and sell this software and its
7documentation for any purpose is hereby granted without fee, provided that
8the above copyright notice appear in all copies and that both that
9copyright notice and this permission notice appear in supporting
10documentation.
11
12The above copyright notice and this permission notice shall be included in
13all copies or substantial portions of the Software.
14
15THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
19AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
20CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22Except as contained in this notice, the name of The Open Group shall not be
23used in advertising or otherwise to promote the sale, use or other dealings
24in this Software without prior written authorization from The Open Group.
25 *
26 * Author: Jim Fulton, MIT The Open Group
27 *
28 * Xlib Extension-Writing Utilities
29 *
30 * This package contains utilities for writing the client API for various
31 * protocol extensions. THESE INTERFACES ARE NOT PART OF THE X STANDARD AND
32 * ARE SUBJECT TO CHANGE!
33 */
34/* $XFree86: xc/include/extensions/extutil.h,v 1.9 2001/12/14 19:53:28 dawes Exp $ */
35
36#ifndef _EXTUTIL_H_
37#define _EXTUTIL_H_
38
39#include "SDL_stdinc.h" /* For portable string functions */
40
41#include "./Xext.h"
42
43/*
44 * We need to keep a list of open displays since the Xlib display list isn't
45 * public. We also have to per-display info in a separate block since it isn't
46 * stored directly in the Display structure.
47 */
48typedef struct _XExtDisplayInfo {
49 struct _XExtDisplayInfo *next; /* keep a linked list */
50 Display *display; /* which display this is */
51 XExtCodes *codes; /* the extension protocol codes */
52 XPointer data; /* extra data for extension to use */
53} XExtDisplayInfo;
54
55typedef struct _XExtensionInfo {
56 XExtDisplayInfo *head; /* start of list */
57 XExtDisplayInfo *cur; /* most recently used */
58 int ndisplays; /* number of displays */
59} XExtensionInfo;
60
61typedef struct _XExtensionHooks {
62 int (*create_gc)(
63#if NeedNestedPrototypes
64 Display* /* display */,
65 GC /* gc */,
66 XExtCodes* /* codes */
67#endif
68);
69 int (*copy_gc)(
70#if NeedNestedPrototypes
71 Display* /* display */,
72 GC /* gc */,
73 XExtCodes* /* codes */
74#endif
75);
76 int (*flush_gc)(
77#if NeedNestedPrototypes
78 Display* /* display */,
79 GC /* gc */,
80 XExtCodes* /* codes */
81#endif
82);
83 int (*free_gc)(
84#if NeedNestedPrototypes
85 Display* /* display */,
86 GC /* gc */,
87 XExtCodes* /* codes */
88#endif
89);
90 int (*create_font)(
91#if NeedNestedPrototypes
92 Display* /* display */,
93 XFontStruct* /* fs */,
94 XExtCodes* /* codes */
95#endif
96);
97 int (*free_font)(
98#if NeedNestedPrototypes
99 Display* /* display */,
100 XFontStruct* /* fs */,
101 XExtCodes* /* codes */
102#endif
103);
104 int (*close_display)(
105#if NeedNestedPrototypes
106 Display* /* display */,
107 XExtCodes* /* codes */
108#endif
109);
110 Bool (*wire_to_event)(
111#if NeedNestedPrototypes
112 Display* /* display */,
113 XEvent* /* re */,
114 xEvent* /* event */
115#endif
116);
117 Status (*event_to_wire)(
118#if NeedNestedPrototypes
119 Display* /* display */,
120 XEvent* /* re */,
121 xEvent* /* event */
122#endif
123);
124 int (*error)(
125#if NeedNestedPrototypes
126 Display* /* display */,
127 xError* /* err */,
128 XExtCodes* /* codes */,
129 int* /* ret_code */
130#endif
131);
132 char *(*error_string)(
133#if NeedNestedPrototypes
134 Display* /* display */,
135 int /* code */,
136 XExtCodes* /* codes */,
137 char* /* buffer */,
138 int /* nbytes */
139#endif
140);
141} XExtensionHooks;
142
143extern XExtensionInfo *XextCreateExtension(
144#if NeedFunctionPrototypes
145 void
146#endif
147);
148extern void XextDestroyExtension(
149#if NeedFunctionPrototypes
150 XExtensionInfo* /* info */
151#endif
152);
153extern XExtDisplayInfo *XextAddDisplay(
154#if NeedFunctionPrototypes
155 XExtensionInfo* /* extinfo */,
156 Display* /* dpy */,
157 char* /* ext_name */,
158 XExtensionHooks* /* hooks */,
159 int /* nevents */,
160 XPointer /* data */
161#endif
162);
163extern int XextRemoveDisplay(
164#if NeedFunctionPrototypes
165 XExtensionInfo* /* extinfo */,
166 Display* /* dpy */
167#endif
168);
169extern XExtDisplayInfo *XextFindDisplay(
170#if NeedFunctionPrototypes
171 XExtensionInfo* /* extinfo */,
172 Display* /* dpy */
173#endif
174);
175
176#define XextHasExtension(i) ((i) && ((i)->codes))
177#define XextCheckExtension(dpy,i,name,val) \
178 if (!XextHasExtension(i)) { XMissingExtension (dpy, name); return val; }
179#define XextSimpleCheckExtension(dpy,i,name) \
180 if (!XextHasExtension(i)) { XMissingExtension (dpy, name); return; }
181
182
183/*
184 * helper macros to generate code that is common to all extensions; caller
185 * should prefix it with static if extension source is in one file; this
186 * could be a utility function, but have to stack 6 unused arguments for
187 * something that is called many, many times would be bad.
188 */
189#define XEXT_GENERATE_FIND_DISPLAY(proc,extinfo,extname,hooks,nev,data) \
190XExtDisplayInfo *proc (Display *dpy) \
191{ \
192 XExtDisplayInfo *dpyinfo; \
193 if (!extinfo) { if (!(extinfo = XextCreateExtension())) return NULL; } \
194 if (!(dpyinfo = XextFindDisplay (extinfo, dpy))) \
195 dpyinfo = XextAddDisplay (extinfo,dpy,extname,hooks,nev,data); \
196 return dpyinfo; \
197}
198
199#define XEXT_FIND_DISPLAY_PROTO(proc) \
200 XExtDisplayInfo *proc(Display *dpy)
201
202#define XEXT_GENERATE_CLOSE_DISPLAY(proc,extinfo) \
203int proc (Display *dpy, XExtCodes *codes) \
204{ \
205 return XextRemoveDisplay (extinfo, dpy); \
206}
207
208#define XEXT_CLOSE_DISPLAY_PROTO(proc) \
209 int proc(Display *dpy, XExtCodes *codes)
210
211#define XEXT_GENERATE_ERROR_STRING(proc,extname,nerr,errl) \
212char *proc (Display *dpy, int code, XExtCodes *codes, char *buf, int n) \
213{ \
214 code -= codes->first_error; \
215 if (code >= 0 && code < nerr) { \
216 char tmp[256]; \
217 SDL_snprintf (tmp, SDL_arraysize(tmp), "%s.%d", extname, code); \
218 XGetErrorDatabaseText (dpy, "XProtoError", tmp, errl[code], buf, n); \
219 return buf; \
220 } \
221 return (char *)0; \
222}
223
224#define XEXT_ERROR_STRING_PROTO(proc) \
225 char *proc(Display *dpy, int code, XExtCodes *codes, char *buf, int n)
226#endif